Malicious PDF — malware analysis report

Static analysis result for SHA-256 71337f75a80b86b3…

MALICIOUS

PDF

47.6 KB Created: 2021-08-18 22:18:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-25
MD5: 0942d5be3bbf014f3ec63559ef42fe36 SHA-1: c3fed7a6e7d45e8185db4bf5818c1b64f951c42f SHA-256: 71337f75a80b86b339bfbb502106ebd6bae6a7f92a236474ff08d1508ddf5246
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ClamAV heuristic identified this PDF as a phishing trojan. While the document body is unreadable due to encoding, the presence of an embedded URI pointing to a Google feedproxy URL suggests an attempt to redirect the user. The PDF structure itself is likely exploited to deliver this malicious link.

Machine Learning

  • Nyx PDF Classifier clean score 0.0806

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=centroide+de+un+trapecio+rectangulo PDF link annotation

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